QC/T 600-2023 (QC/T600-2023, QCT 600-2023, QCT600-2023)
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| QC/T 600-2023 | English | 125 |
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Hexagon bolt with conical washer assembly
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QC/T 600-2023
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| QC/T 600-1999 | English | 389 |
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(Hexagon head bolt assembly and the conical spring washer)
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QC/T 600-1999
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Preview PDF: QC/T 600-2023
| Standard ID | QC/T 600-2023 (QC/T600-2023) | | Description (Translated English) | (Hexagon head bolt and tapered elastic washer assembly) | | Sector / Industry | Automobile & Vehicle Industry Standard (Recommended) | | Classification of Chinese Standard | T31 | | Word Count Estimation | 14,127 | | Date of Issue | 2023-12-20 | | Date of Implementation | 2024-07-01 | | Summary | This standard specifies the type, size and technical conditions of hexagonal head bolts and tapered elastic washers. This standard is applicable to the assembly of hexagonal head bolts and tapered elastic washers with thread specifications from M5 to M12 and bolt mechanical performance grade 8.8. |
QC/T 600-2023
QC
AUTOMOBILE INDUSTRY STANDARD
ICS 43.040
CCS T 31
Replacing QC/T 600-1999
Hexagon head bolt and serrated lock washer external teeth
assemblies
ISSUED ON. DECEMBER 20, 2023
IMPLEMENTED ON. JULY 01, 2024
Issued by. Ministry of Industry and Information Technology of the PRC
Announcement of Ministry of Industry and Information
Technology of the People's Republic of China
No.38 of 2023
The Ministry of Industry and Information Technology approved 1276 industry
standards, including "CNC laser welding machine tools - Technical specifications" (see
Appendix 1). Among them, there are 138 standards in the chemical industry, 5 standards
in the petrochemical industry, 73 standards in the ferrous metallurgy industry, 131
standards in the non-ferrous metal industry, 1 standard in the gold industry, 86 standards
in the building materials industry, 27 standards in the rare earth industry, 224 standards
in the machinery industry, 29 standards in the automobile industry, 8 standards in the
shipbuilding industry, 76 standards in the aviation industry, 118 standards in the light
industry, 98 standards in the textile industry, 1 standard in the packaging industry, 2
standards in military and civilian products, 1 standard in the electronics industry, 258
standards in the communications industry. It has approved 11 industry standard
amendments, including "5G digital cellular mobile communication network - Technical
requirements for enhanced mobile broadband terminal equipment for (Phase I)" (see
Appendix 2). Among them, there is 1 standard in the ferrous metallurgy industry, 1
standard in the light industry, 9 standards in the communications industry. It has
approved the foreign language versions of 29 industry standards, including "Smart city
- Technical requirements for electronic fence" (see Appendix 3). Among them, there is
1 standard in the chemical industry, 1 standard in the petrochemical industry, 2
standards in the building materials industry, 25 standards in the communications
industry. It has approved 1 non-ferrous metal industry standard sample. "Standard
sample of copper, lead and zinc ore" (see Appendix 4). It has approved 117 industry
metrology technical specifications, including "Calibration specifications for radar echo
simulator" (see Appendix 5). Among them, there are 26 specifications in the
petrochemical industry, 7 specifications in the non-ferrous metal industry, 13
specifications in the building materials industry, 17 specifications in the machinery
industry, 12 specifications in the light industry, 9 specifications in the textile industry,
12 specifications in the military and civilian products industry, 14 specifications in the
electronics industry, 7 specifications in the communications industry. They are now
announced. The industry standard amendment list, the foreign language version of the
industry standard, the industry standard sample shall be implemented from the date of
publication.
The above chemical industry standards (including foreign language versions) are
published by Chemical Industry Press; the chemical industry engineering construction
standards, automobile industry standards and packaging industry standards are
published by Beijing Science and Technology Press; the petrochemical industry
standards (including foreign language versions) are published by China Petrochemical
Press; the ferrous metallurgy industry standards, non-ferrous metal industry standards
Table of Contents
Foreword... 7
1 Scope... 8
2 Normative references... 8
3 Terms and definitions... 9
4 Types and dimensions... 9
5 Technical conditions... 11
6 Product number... 12
Foreword
This document was drafted in accordance with the provisions of GB/T 1.1-2020
"Directives for standardization - Part 1.Rules for the structure and drafting of
standardizing documents".
This document replaces QC/T 600-1999 "Hexagon head bolt and serrated lock washer
external teeth assemblies". Compared with QC/T 600-1999, the main technical changes
are as follows.
- DELETE the unrecommended nominal lengths of 22, 28, 32, 38 (see Table 1);
- ADD the technical requirements for permanent deformation and continuous load
of conical spring washers (see Table 3)
- CHANGE the technical requirements for elastic test of conical spring washers (see
Table 3)
- DELETE Appendix A.
Please note that some contents of this document may involve patents. The issuing
agency of this document does not assume the responsibility for identifying patents.
This document was proposed by AND shall be under the jurisdiction of the National
Technical Committee for Automobile Standardization (SAC/TC 114).
Drafting organization of this document. Ningbo Geely Automobile Research and
Development Co., Ltd.
The main drafters of this document. Yang Zhiqing, Cao Lingling.
This standard replaces the standard previously issued as follows.
- It was first published in 1999 as QC/T 600-1999;
- This is the first revision.
Hexagon head bolt and serrated lock washer external teeth
assemblies
1 Scope
This document specifies the types and dimensions, technical conditions and numbers
of the hexagon head bolt and serrated lock washer external teeth assemblies.
This document is applicable to the hexagon head bolt and serrated lock washer external
teeth assemblies, which have thread specifications of M5 ~ M12 and bolt mechanical
property grade of 8.8.
2 Normative references
The contents of the following documents constitute the essential terms of this document
through normative references in the text. Among them, for the referenced documents
with dates, only the versions corresponding to the dates are applicable to this document;
for the referenced documents without dates, the latest versions (including all
amendments) are applicable to this document.
GB/T 2 Fasteners - Ends of parts with external thread
GB/T 90.1 Fasteners - Acceptance inspection
GB/T 90.2 Fasteners - Marking and packaging
GB/T 94.4 Specifications for spring washers - Conical spring washers
GB/T 196 General purpose metric screw threads - Basic dimensions
GB/T 197 General purpose metric screw threads - Tolerances
GB/T 3098.1 Mechanical properties of fasteners - Bolts, screws and studs
GB/T 3103.1 Tolerances for fasteners - Bolts, screws, studs and nuts
GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general
requirements
QC/T 326 Coding rules for automotive standardized parts
QC/T 625 Metallic coatings and conversion coatings for automobile
......
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